Re: Black Death timeline


"John Briggs" <john.briggs4@xxxxxxxxxxxx> wrote in message
news:jmLQk.2062$HK.1557@xxxxxxxxxxxxxxxx
J Antero wrote:

Perhaps the discrepancies you're finding are due to uncertainty as to
exactly what epidemic was hitting, and when. A further complication
is that there are 3 types of The Plague: bubonic, pneumonic, and
septicaemic. I think they all are somewhat different in symptoms -
the last one kills very quickly.


Those are just three different manifestations of the same disease.

They have different symptoms - that's the point.

She's wondering about diferences in reported dates of occurence ... get it?

from Britannica:

The mild infections are almost always bubonic.

Pneumonic and septicemic plague are invariably severe and almost always
fatal unless treated. The incubation period is usually three to six days but
may be as short as 36 hours or as long as 10 days. As a rule the onset is
sudden and well marked.
Bubonic plague constitutes about three-fourths of plague cases. Typically,
bubonic plague starts with shivering, then vomiting, headache, giddiness,
intolerance to light; pain in the back and limbs; sleeplessness, apathy, or
delirium. The temperature rises rapidly to 104° F (40° C) or higher and
frequently falls two or three degrees on the second or third day, with
marked prostration. Constipation is usual; diarrhea is a grave sign. Most
characteristic is the early appearance of buboes, which are usually
distributed in the groin and armpits. Bubonic plague is not directly
infectious from man to man; the bacillus is carried from one person to
another by the flea.

In pneumonic plague the physical signs are those of bronchopneumonia; edema
(filling with fluid) of the lungs soon follows; and death occurs in three or
four days.

Septicemic plague is marked by prostration and brain damage; death may occur
within 24 hours. Septicemic plague may prove fatal before there is time for
pneumonia to develop. If, however, pneumonia does occur, the patient becomes
highly infectious. His contacts will contract pneumonic, not bubonic,
plague. Pneumonic plague is nearly always fatal.







--
John Briggs




.

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